Scranton, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Scranton, a city in Greene County, Iowa.
Overnight
67°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 5am, then showers and thunderstorms likely. Cloudy. Low around 67, with temperatures rising to around 69 overnight. South southwest wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Scranton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 67°F | Chance Showers And Thunderstorms | 5 mph SSW | 57% |
| Saturday | 78°F | Chance Showers And Thunderstorms then Patchy Fog | 7 mph NW | 45% |
| Saturday Night | 60°F | Slight Chance Showers And Thunderstorms | 9 mph N | 26% |
| Sunday | 66°F | Chance Drizzle then Chance Rain Showers | 10 mph NNE | 42% |
| Sunday Night | 55°F | Chance Rain Showers | 8 mph ENE | 46% |
| Monday | 61°F | Rain Showers Likely | 8 mph ENE | 59% |
| Monday Night | 50°F | Chance Rain Showers | 3 to 7 mph NE | 49% |
| Tuesday | 61°F | Partly Sunny | 6 mph ENE | 8% |
| Tuesday Night | 45°F | Partly Cloudy | 3 mph E | 1% |
| Wednesday | 65°F | Mostly Sunny | 3 mph ESE | 1% |
| Wednesday Night | 50°F | Partly Cloudy | 2 mph SE | 11% |
| Thursday | 67°F | Slight Chance Rain Showers | 3 mph SE | 18% |
| Thursday Night | 54°F | Mostly Cloudy | 2 mph ESE | 10% |
| Friday | 69°F | Mostly Cloudy | 1 to 5 mph ESE | 10% |
Forecast source: National Weather Service (api.weather.gov) for Scranton (42.019, -94.549). Updated through the day.
Growing snapshot for Scranton
Last spring frost
Apr 26
First fall frost
Oct 9
Growing season
164 days
Hardiness zone
5a
More local growing data for Scranton: nearby ZIP 51462 weather · frost dates · planting calendar · Iowa frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Jefferson, Ia (8.3 mi from Scranton). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.